Fourth Doctor quotes from Doctor Who

Well Mr. Skagra, or whatever it is you call yourself, you killed a Time Lord, a very old friend of mine. It's time you and I had a little chat!

[incredibly enthusiastically] Oh, look! Rocks!

(holding a bomb) I just drop it into this chair, and boom boom Davros.

The conditions existing on the planet Magla make it incapable of supporting any lifeform. Huh. Huh. Huh. He obviously doesn't realise the planet Magla's an eight thousand mile wide amoeba that has grown a crusty shell. I wonder what he does know? [Closes his book and looks up. There are three androgynous figures with dark skin, white spacesuits and white plaited hair pointing weapons at him] Good evening. You'll forgive me if I don't rise. It's, er...

[to a pursuing Dalek] If you're supposed to be the superior race of the universe, why don't you try climbing after us?

Now ss- back off!

I'm a very dangerous fellow when I don't know what I'm doing.

[whispering] Bye-bye, Davros! [Davros freezes]

I say; what a wonderful butler, he's so violent!

Theodore Nikolai Kerensky, a scientist's job is to ask questions.

[calling out] Leonardo...? Your paintings went down very well. Everybody loved them. Last Supper... Mona Lisa... You remember the Mona Lisa? That dreadful woman with no eyebrows who wouldn't sit still, eh?

If there's one thing I can't stand, it's being tortured by someone with cold hands.

I suppose the best way to find out where you come from is to find out where you're going, and then work backwards.

Duggan. Duggan! I think that was possibly the most important punch in history.

Is no one interested in history, hmmm?